- University of North Carolina at Chapel Hill
- University of Virginia
- Department of Geography
- Institute for the Environment
- Now at Departments of Environmental Sciences and Civil and Environmental Engineering
- Department of Geography and Institute for the Environment
- Department of Engineering Systems and Environment
- Department of Environmental Sciences
- United States Department of Agriculture
- U.S. Dept. of Agric. Agric. Res. S.
- Lincoln University
- U.S. Dept. of Agric.-Agric. Res. S.
- U.S. Department of Agriculture-Agricultural Research Service
- Faculty of Agriculture and Life Sciences
- U.S. Dept. Agric.-Agric. Res. Serv.